Faqs on Hearing Aid Batteries

Buying hearing aid batteries at a local hearing center is often the best option for most hearing aid wearers, due to convenience, price, and quality of the product.

Typically hearing aid batteries last 5-14 days based on 16 hours per day use cycle. Generally, the smaller the battery size, the shorter the battery life. The sizes of hearing aid batteries are listed below along with their standard number and color codes.

Are hearing aid batteries toxic? And how long to hearing aid batteries last?

Hearing aid batteries come in different sizes, with smaller batteries generally having a shorter life than larger ones. The amount of power required to run your hearing aid and...

I recently noticed that hearing aid batteries are available in a "mercury free" option. Aren't all zinc air hearing aid batteries free of mercury?

How critical is it after pulling the tab to wait a minute or so before putting the battery in the device?

Do you get improved battery life if you keep the battery door open at night with the hearing aid off? Are there any general guidelines for this on the different battery sizes?

Is there a device that is more accurate for testing batteries? The battery testers now seem to give the same information on the same batteries.

Why do some batteries in the same package last longer than others?

Hearing aid batteries: to refrigerate or not to refrigerate?

From time to time, my batteries only last about 4 hours and I have to change them. These are fresh Rayovac batteries. Any suggestions?

Do you think that if the battery quits on one hearing aid, you should change the other at the same time so that the voltage will be the same on both ears?

Ive noticed in the larger stores that they rotate the battery packages. They put the older packs first on the shelf like produce.

What is the difference between Rayovac Ultra and Advanced hearing aid batteries?

Sometimes when patients pull the tabs off the back of the hearing aid battery, its sticky and hard to remove. Is this normal?

There has been a lot of controversy about keeping batteries in dry aid kit overnight. What is your recommendation?

Is corrosion a problem for hearing aid batteries? A patient returned a package of hearing aid batteries because he dropped it in the sink. He retrieved it right away, but it was covered with corrosion, and he sent the package back to us.

What would create a sticky film to migrate into hearing aid cases from the battery?

Every package of RAYOVAC L13ZA-8 batteries that I open shows maximum voltage of 1.38 volts instead of 1.4 volts as listed on the package. Why is this? Why don't the batteries read 1.4 volts? My hearing aid fades away at about 1.31 volts. The additional .

I would like to find out the effects of the following on the performance or operation of zinc air cells: the effect of ambient conditions as the result of air pollution, and the effect of temperature and relative humidity (when it is below or above the sp

I have been keeping my hearing in a small zip-loc bag with 4 or 5 desiccant packets from various sources. I was wondering if it is safe to keep the battery in the bag as well, removed from the battery compartment of course, to keep moisture levels down.

I have a patient who is a flight attendant. She complains that her hearing aid batteries have a short life when she flies. Is this possible, and why?

How long should batteries last in my digital CIC hearing aid? My brother gets 7 days with his and I only get 3. Why is that? Is there something I am doing wrong or something I should do differently?

After I take the tab off my battery, do I have to use it right away? If not, should I put the tab back on?

How long does a hearing aid battery last, and does it differ from size to size?